[미국특허]
Steel and wood composite structure with metal jacket wood studs and rods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04C-003/292
B32B-015/10
E04C-003/16
E04B-005/14
E04C-003/36
E04B-001/30
E04C-003/17
E04B-001/26
E04H-012/00
출원번호
US-0887353
(2013-05-05)
등록번호
US-8820033
(2014-09-02)
발명자
/ 주소
Yang, WeiHong
출원인 / 주소
Yang, WeiHong
대리인 / 주소
Law Office of Dorian Cartwright
인용정보
피인용 횟수 :
3인용 특허 :
60
초록▼
A composite member provides support to a structure. A wooden core of the composite member has a perimeter and a length. The wooden core provides support to the structure. A metal jacket is tightly wrapped to an optimum circumferential pre-stress around the entire perimeter of the wooden core of the
A composite member provides support to a structure. A wooden core of the composite member has a perimeter and a length. The wooden core provides support to the structure. A metal jacket is tightly wrapped to an optimum circumferential pre-stress around the entire perimeter of the wooden core of the composite member and spans the entire length. The metal jacket provides also support to the structure. Furthermore, the interaction between the wooden core and the metal jacket provide a combination of strength that surpasses the sum of individual strengths.
대표청구항▼
1. A light-gauge, composite two-way lateral interaction structural member to provide support to a light-framed structure that exceeds a sum of individual component support, the composite member comprising: a dilating component comprising a wooden core of the composite member having a perimeter and a
1. A light-gauge, composite two-way lateral interaction structural member to provide support to a light-framed structure that exceeds a sum of individual component support, the composite member comprising: a dilating component comprising a wooden core of the composite member having a perimeter and a length, the wooden core providing support to the structure at a first magnitude, wherein the wooden core dilates and fails when subjected to a load above the first magnitude; anda confining component comprising a light-gauge metal jacket, wherein the confining component is formed by tightly wrapping the light-gauge metal jacket to a pre-stressed tension in a circumferential direction around the entire perimeter of the wooden core of the composite member and spanning the entire length, the metal jacket providing support to the structure at a second magnitude, wherein the metal jacket buckles and fails when subjected to a load above the second magnitude,wherein the pre-stressed tension of the metal jacket coupled with the wooden core provides a two-way lateral interaction normal to the interface between the metal jacket and the wooden core, that provides an amount of support to the structure surpassing the sum of amount of support provided by the metal jacket and the wooden core when being used separately, such that the first magnitude of the wooden core is increased by confinement of the metal jacket, and wherein the second magnitude of the metal jacket is increased by dilation of the wooden core,wherein a groove is slotted along the length of the wooden core, and a self-engaging clasp along the length of the metal jacket fitting within the wooden core groove to form a seal and a smooth surface when engaged, the self-engaging clasp configured to anchor opposite longitudinal edges of the metal jacket into the wooden core groove in order to develop and maintain the circumferential pre-stress, andwherein the metal jacket further comprises a pattern of pre-punched teeth configured to bind and anchor the metal jacket to the wooden core in order to develop and maintain the circumferential pre-stress. 2. The composite member of claim 1, wherein the wooden core is composed of at least one of: a solid nature wood and an engineered wood. 3. The composite member of claim 1, wherein the metal jacket is composed of at least one of: a light-gauged cold-formed steel sheet, a stainless steel sheet, an aluminum sheet, a copper sheet, and an alloy sheet. 4. The composite member of claim 1, wherein a cross-section of the wooden core is shaped to one of: a square, a rectangle, and a circle. 5. The composite member of claim 1, wherein the metal jacket provides lateral confinement for the wooden core to increase compressive strength and ductility of the wooden core. 6. The composite member of claim 1, wherein the wooden core provides lateral support for the metal jacket to prevent pre-mature local buckling failure of the jacket. 7. The composite member of claim 1, wherein additional amount of support is achieved through the interaction between the wooden core and metal jacket to enhance the overall strength and ductility of the composite member to a level that is much higher than the sum those of wooden core and metal jacket when used alone. 8. The composite member of claim 1, wherein the metal jacket and the wooden core provide support for vertical deflection when used as a joist or beam. 9. The composite member of claim 1, wherein the metal jacket and wooden core provide support for axial displacement when used as a post or column. 10. The composite member of claim 1, wherein the composite member is part of a lateral bracing system, and wherein the metal jacket and the wooden core provide support for lateral force when used as a stud or post in shear walls of the lateral bracing system. 11. The composite member of claim 1, wherein the composite member is part of a building gravity system that comprises at least one of: a stud wall, a floor frame, a roof frame, a floor truss, and a roof truss. 12. A method for providing a light-gauge, composite two-way lateral interaction structural member to provide support to a light-framed structure that exceeds a sum of individual component support, the method comprising: providing a dilating component comprising a wooden core of the composite member having a perimeter and a length, the wooden core providing support to the structure at a first magnitude, wherein the wooden core dilates and fails when subjected to a load above the first magnitude; andproviding a confining component comprising a light-gauge metal jacket, wherein the confining component is formed by tightly wrapping the light-gauge metal jacket to a pre-stressed tension in a circumferential direction around the entire perimeter of the wooden core of the composite member and spanning the entire length, the metal jacket providing support to the structure at a second magnitude, wherein the metal jacket buckles and fails when subjected to a load above the second magnitude,wherein the pre-stressed tension of the metal jacket coupled with the wooden core provides a two-way lateral interaction normal to the interface between the metal jacket and the wooden core, that provides an amount of support to the structure surpassing the sum of amount of support provided by the metal jacket and the wooden core when being used separately, such that the first magnitude of the wooden core is increased by confinement of the metal jacket, and wherein the second magnitude of the metal jacket is increased by dilation of the wooden core,wherein a groove is slotted along the length of the wooden core, and a self-engaging clasp along the length of the metal jacket fitting within the wooden core groove to form a seal and a smooth surface when engaged, the self-engaging clasp configured to anchor opposite longitudinal edges of the metal jacket into the wooden core groove in order to develop and maintain the circumferential pre-stress, andwherein the metal jacket further comprises a pattern of pre-punched teeth configured to bind and anchor the metal jacket to the wooden core in order to develop and maintain the circumferential pre-stress.
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